SDLAM Yanga National Park – Civil Works (NPWS Owner)

⁠⁠⁠Construction of; 1 – Mid-Yanga works accessed via Bronzewing Drive 2 – Upper Yanga works accessed by Waugorah Road and 3 – Waugorah hardstand and pipeline

Project goals

Yanga National Park – Civil Works (NPWS Owner) is part of the wider SLAM (Sustainable Diversion Limit Adjustment Mechanism) Program to improve environmental water flows.

SDLAM seeks to address both current critical water shortages, as well as establish infrastructure and processes which ensure the future environmental and economic sustainability of the Murray-Darling Basin. The objective of the SDLAM Program is to achieve similar or improved environmental outcomes for rivers, wetlands and wildlife using less water as part of the Murray-Darling Basin Plan. Project goals are to,

• improve the efficiency of how water is delivered (for example, building and improving water management structures
• deliver more efficient water use practises to save water for the environment
• remove constraints (and physical barriers) that impact the ability to deliver water into the Murray Darling Basin and where it is need most

Scope

The Yanga National Park Supply Measure Project consists of a package of works to be carried out at Yanga National Park, on land reserved under the National Parks and Wildlife Act 1974 (NPW Act), to support the outcomes of the Basin Plan.

The works would involve replacing several existing water supply and flow-regulating structures within the Yanga National Park. The infrastructure is owned and operated by NSW National Parks and Wildlife Services (NPWS), with the exception of the 1AS and 1ES environmental regulators, which are owned and operated by WaterNSW (seperately tendered).

The scope of works for the Yanga National Park – Civil Works (NPWS Owner) includes:

Portion 1 – Mid-Yanga works accessed via Bronzewing Drive and Hamptons Bank Trail

• Narkungerie Creek Regulator: Package YNP2 - Work Item 3
• Twin Bridges North gate replacement: Package YNP3 - Work Item 9
• Twin Bridges South gate replacement: Package YNP3 - Work Item 10

Portion 2 – Upper Yanga works accessed by Waugorah Road and various in-Park access tracks

• Waugorah Lake inlet regulator: Package YNP2 - Work Item 4
• Waugorah Creek block bank regulator: Package YNP2 - Work Item 5
• Bruton’s regulator gate replacement: Package YNP3 - Work Item 8
• Shaw’s regulator gate replacement: Package YNP3 - Work Item 7

Portion 3 – Waugorah hardstand and pipeline accessed via Waugorah Road and Shaw’s East trail: Package YNP2 - Work Item 6

Additional details/instructions

A mandatory tender briefing and site visit will occur on Tuesday 16 September 2025.

• Location: MS Teams
• Time: 1 pm
• RSVP: Provide attendee details by 5pm Monday 15 September 2025 to, Matthew Wilmot matthew.wilmot@dcceew.nsw.gov.au

Requirements

Mandatory requirements

There are no mandatory requirements for this opportunity.

Opportunity requirements

1. Tender Documents

The tender documents including annexures and appendices are found in the following four folders;

GC21 Documents

Principal Documents - Attachments

Principal Documents - Drawings

Information Documents - Appendix

Response type

File upload (Multiple)

Please see attached files in the link for more information